Greatest Common Factor of 89, 68, 72, 61

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 89, 68, 72, 61 by common division method
• Greatest Common Factor of 89, 68, 72, 61 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 89,68,72,61 . The biggest common factor number is the GCF number.
So the greatest common factor 89,68,72,61 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 80, 10, 51, 43
• GCF of 59, 56, 32, 55
• GCF of 41, 24, 54, 17
• GCF of 77, 72, 48, 16
• GCF of 30, 79, 67, 16

1. What is the GCF of 89, 68, 72, 61?

Answer: GCF of 89, 68, 72, 61 is 1.

2. How to Find the GCF of 89, 68, 72, 61

Answer: Greatest Common Factor(GCF) of 89, 68, 72, 61 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(89, 68, 72, 61) = 1.